3834739

Information

• Patent Grant
• 3834739

• References
• Source

• Patent Number

  3,834,739

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1974
  50 years ago

• CPC

  • B42C11/04 - Machines or equipment for casing-in or applying covers to books
  • B42B5/00 - Permanently attaching together sheets, quires or signatures otherwise than by stitching
  • B42B5/08 - by finger, claw or ring-like elements passing through the sheets, quires or signatures
  • B42D1/02 - in which the fillings and covers are connected by end papers

• US Classifications

  • 281 - Books, strips, and leaves